Design Engineer

Gonzalez Companies is a partner-managed firm that provides comprehensive planning, design, and construction management services to large and small water, sewer, and utility districts, departments of transportation, and municipalities. We are seeking a Design Engineer to join our team and help serve our clients and communities. If you're eager to learn, ready to make an impact, and passionate about delivering exceptional service, we'd love to hear from you.

This opportunity is ideal for an early-career Design Engineer with 2–4 years of experience who is looking to continue developing their technical expertise while taking on increasing responsibility within project teams. You'll work alongside experienced professionals, contribute to meaningful projects, and gain hands-on experience in design, project delivery, and client service. Preferred backgrounds include Water/Wastewater, Site/Civil, or MEP engineering.

Grow Your Career with Blueprint

This role includes a seat in Blueprint, our new early-career leadership program designed for engineers looking to accelerate their professional growth. Over six months, participants take part in a hands-on curriculum focused on professional development, business acumen, and project delivery through case studies, simulations, and interactive exercises.

The program explores topics such as project economics, client communication, and leadership fundamentals, while providing opportunities to build relationships across the industry. Blueprint concludes with an in-person capstone event where participants present their work, reflect on key learnings, and set goals for the year ahead.
Your Future Starts With a Plan.

Your Primary Responsibilities will include

• Develop engineering designs, plans, and specifications for infrastructure, site development, water/wastewater, and/or building systems projects.
• Perform technical analyses, calculations, and modeling to support design decisions across disciplines (e.g., hydraulic modeling, grading/drainage, or mechanical/electrical system sizing).
• Prepare construction drawings and documents using CAD/BIM software (e.g., AutoCAD, Civil 3D, Revit).
• Coordinate design efforts with multidisciplinary teams, including civil, structural, mechanical, electrical, and environmental engineers.
• Review project requirements, codes, and regulations to ensure designs are compliant with local, state, and federal standards.
• Assist in the preparation of technical reports, permitting documents, and engineering studies.
• Support project managers with scope development, scheduling, budgeting, and progress tracking.
• Conduct site visits, field investigations, and data collection to inform design and verify existing conditions.
• Collaborate with clients, contractors, and regulatory agencies to address design questions and resolve issues.
• Review shop drawings, submittals, and RFIs during construction for conformance with design intent.
• Identify and implement cost-effective, sustainable, and innovative engineering solutions.
• Maintain accurate project documentation and adhere to quality control procedures.

What you'll need

• Bachelor’s degree in Civil, Environmental, Mechanical, Electrical Engineering, or a related engineering discipline.
• 5+ years of relevant engineering design experience (level can be adjusted based on role seniority).
• Engineer-in-Training (EIT) certification required; Professional Engineer (PE) license or ability to obtain is preferred.
• Experience with design and analysis tools relevant to discipline (e.g., AutoCAD, Civil 3D, Revit, hydraulic modeling software, or MEP design tools).
• Working knowledge of applicable codes, standards, and regulations (e.g., local/state agencies, EPA, building codes, NEC, etc.).
• Strong technical, analytical, and problem-solving skills.
• Ability to manage multiple tasks and meet project deadlines in a fast-paced environment.
• Effective written and verbal communication skills, with the ability to collaborate across multidisciplinary teams.
• Familiarity with construction documents, specifications, and permitting processes.
• Proficiency in Microsoft Office Suite (Excel, Word, Outlook); experience with project management tools is a plus.
• Ability to perform field work, including site visits and inspections, as needed.

Gonzalez Offers Competitive Benefits including:

• Competitive salary
• Major medical, dental and vision insurance
• Flexible Spending Account
• Health Savings Account
• 401K
• Bonus program
• Paid holidays and generous paid time off
• Professional development
• A team of creative and talented individuals to work alongside

Gonzalez is a rapidly growing, dynamic, professional services firm specializing in civil engineering, construction management, and construction inspection. Our clientele includes large and small water, sewer, and utility districts; departments of transportation and other public transportation agencies; and municipalities throughout the Midwest.

Working primarily in the Greater St. Louis, Chicago, and Louisville metro areas, Gonzalez offers a great work environment, generous benefit packages, and opportunities to succeed in many professional disciplines.

Equal Opportunity Employer

Gonzalez Companies, LLC provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

The base salary range for this role is indicated in the posting. This range reflects the company’s good faith estimate of the compensation for this position at the time of posting. Final compensation will be determined based on factors such as experience, skills, qualifications, internal equity, and geographic location.